(7x-4)=87

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Solution for (7x-4)=87 equation: 


Simplifying
(7x + -4) = 87

Reorder the terms:
(-4 + 7x) = 87

Remove parenthesis around (-4 + 7x)
-4 + 7x = 87

Solving
-4 + 7x = 87

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4' to each side of the equation.
-4 + 4 + 7x = 87 + 4

Combine like terms: -4 + 4 = 0
0 + 7x = 87 + 4
7x = 87 + 4

Combine like terms: 87 + 4 = 91
7x = 91

Divide each side by '7'.
x = 13

Simplifying
x = 13

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